57 lines
2.1 KiB
Python
57 lines
2.1 KiB
Python
import os as _os
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import sys as _sys
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import csv as _csv
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import functools as _functools
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SPDX_TO_FEDORA_CSV = _os.path.dirname(__file__) + '/spdx_to_fedora.csv'
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def translate_slashes(license):
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"Replace all slashes with OR, emit warning"
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split = [l.strip() for l in license.split("/")]
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if len(split) > 1:
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print('Upstream uses deprecated "/" syntax. Replacing with "OR"',
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file=_sys.stderr)
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return ' OR '.join(split)
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@_functools.lru_cache()
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def spdx_to_fedora_map():
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with open(SPDX_TO_FEDORA_CSV, newline='') as f:
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reader = _csv.DictReader(f)
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return {line['SPDX License Identifier']: line['Fedora Short Name']
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for line in reader
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if line['SPDX License Identifier']}
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def dump_sdpx_to_fedora_map(file):
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for k, v in spdx_to_fedora_map().items():
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print(f"{k} → {v}", file=file)
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def translate_license_fedora(license):
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comments = ''
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final = []
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for tag in license.split():
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# We accept all variant cases, but output lowercase which is what Fedora LicensingGuidelines specify
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if tag.upper() == 'OR':
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final.append('or')
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elif tag.upper() == 'AND':
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final.append('and')
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else:
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mapped = spdx_to_fedora_map().get(tag, None)
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if mapped is None:
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comments += f'# FIXME: Upstream uses unknown SPDX tag {tag}!'
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final.append(tag)
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elif mapped == '':
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comments += f"# FIXME: Upstream SPDX tag {tag} not listed in Fedora's good licenses list.\n"
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comments += "# FIXME: This package might not be allowed in Fedora!\n"
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final.append(tag)
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else:
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final.append(mapped)
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if mapped != tag:
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print(f'Upstream license tag {tag} translated to {mapped}',
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file=_sys.stderr)
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return (' '.join(final), comments or None)
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def translate_license(target, license):
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license = translate_slashes(license)
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if target in {"fedora", "epel", "mageia"}:
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return translate_license_fedora(license)
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return license, None
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